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the claim

Coal tar causes cancer in humans.

the verdict
INSUFFICIENT LEANING
Recorded sources
7 sources for · 0 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that coal tar causes cancer in humans?

Unclear. Several peer-reviewed and official sources report that occupational exposure to coal tar pitch volatiles is associated with excess lung cancer risk in workers, and that coal tar causes cancer in laboratory animals. None of the placed items directly establishes that coal tar causes cancer in humans generally; the human evidence is limited to specific occupational populations.

Verdict: PARTIAL LEAN · 7 sources for, 0 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence for · 7
Compensating lung cancer patients occupationally exposed to coal tar pitch volatiles.
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Compensating lung cancer patients occupationally exposed to coal tar pitch volatiles.. (n.d.). cir.nii.ac.jp. https://doi.org/10.1136/oem.53.3.160

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More for · 6
21 CFR 740.18 - Coal tar hair dyes posing a risk of cancer .
2016
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21 CFR 740.18 - Coal tar hair dyes posing a risk of cancer.. (2016). ecfr.gov. https://www.ecfr.gov/current/title-21/section-740.18

Health Effects Assessment For Coal Tars
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Health Effects Assessment For Coal Tars. (n.d.). nepis.epa.gov. https://nepis.epa.gov/Exe/ZyPURL.cgi?Dockey=2000FDIT.TXT

The mysterious steps in carcinogenesis
2009
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The mysterious steps in carcinogenesis. (2009). doi.org. https://doi.org/10.1038/sj.bjc.6605171

Macrophages Facilitate Coal Tar Pitch Extract-Induced Tumorigenic Transformation of Human Bronchial Epithelial Cells Mediated by NF-κB
2012
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Feng, F., Wu, Y., Zhang, S., Liu, Y., Qin, L., & Wu, Y. (2012). Macrophages Facilitate Coal Tar Pitch Extract-Induced Tumorigenic Transformation of Human Bronchial Epithelial Cells Mediated by NF-κB. doi.org. https://doi.org/10.1371/journal.pone.0051690

Chemical Carcinogenesis Models of Cancer: Back to the Future
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Chemical Carcinogenesis Models of Cancer: Back to the Future. (n.d.). cir.nii.ac.jp. https://doi.org/10.1146/annurev-cancerbio-050216-122002

Long‐Term Chemical Carcinogenesis Bioassays Predict Human Cancer Hazards: Issues, Controversies, and Uncertainties
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Long‐Term Chemical Carcinogenesis Bioassays Predict Human Cancer Hazards: Issues, Controversies, and Uncertainties. (n.d.). cir.nii.ac.jp. https://doi.org/10.1111/j.1749-6632.1999.tb08077.x

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